Anti tumbleweed Prusa Spool PET attachment
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Keeps long rigid strands of PET bottle filament in place on the spool.
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- Printables
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- Creative Commons — Attribution — Noncommercial
I made the https://www.printables.com/model/460950-compact-pet-filament-machine and it works really well. The PET strands however are very rigid, and if rolled on a small spool it will eject back like a spring, creating a mess and making it impossible to do any printing. So I came up with these clamps to keep the filament i place on the original Prusa spool. The filament will then release slowly as the spool turns. You need 4 of them, and maybe some long strips if you want to adjust the clamping effect. You may need to disassemble the spool to align the holes. Originally I made these with PLA but it became soft in my filament dryer, and it ruined the clamp part. Use PETG or ASA for better temperature stability if you plan on putting it in a dryer.